16. what is any single mark that makes up part of a typographic symbol? (1 point) ascender serif stem stroke 17. what are the parts of lowercase letter strokes that extend above the x-height? (1 point) ascenders baselines descenders stems

For question 16, any single mark is called a "stroke." The other three choices are examples of specific strokes that can be used when creating a symbol. For question 17, the upward vertical stem is called an "ascender," and can be seen on letters like "b" and "h."

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